formbook | bde2075169332f1f49a01129628b030b8b55741de6353e873c162635c374a04e

General

Target

voqhrhox.exe
Size

7KB
MD5

9a89e0a0537301f23735b1c3ced7c6bf
SHA1

ee116a9c51813fa158c072a6d41af3b263e53f99
SHA256

cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af
SHA512

ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a
SSDEEP

96:B7CxwIty0cSwbVzB7Qf62xrwCZgqjoZxRx2i4VRUn:VCxwIty0cNbVt7B2OzqjoZXUZW

Score

10^/10

formbook mr06 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mr06

Decoy

dreamrose.shop

bamdadlive.com

avastfr.com

aishabolduc.design

nobulldownhill.com

navis.store

paintingsantaclarita.com

wdidfhqo9751ds.link

epilateurlaser.info

expertdoctor.xyz

jtfaqyxo.work

zrexvita.live

coloradomarketingfirm.com

prestigehospitality.solutions

bmayple.com

sea-food.online

mejor-proteccion-es.click

tophatlimitless.buzz

inailshickorycreek.com

tintash-sg.net

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2176-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2176-1-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2368-11-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1964	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2176	2120	voqhrhox.exe	33
PID 2176 set thread context of 1224	2176	voqhrhox.exe	21
PID 2368 set thread context of 1224	2368	rundll32.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	voqhrhox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2176	voqhrhox.exe
2176	voqhrhox.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe
2368	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2120	voqhrhox.exe
2176	voqhrhox.exe
2176	voqhrhox.exe
2176	voqhrhox.exe
2368	rundll32.exe
2368	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	voqhrhox.exe
Token: SeDebugPrivilege	2368	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2176	2120	voqhrhox.exe	33
PID 2120 wrote to memory of 2176	2120	voqhrhox.exe	33
PID 2120 wrote to memory of 2176	2120	voqhrhox.exe	33
PID 2120 wrote to memory of 2176	2120	voqhrhox.exe	33
PID 2120 wrote to memory of 2176	2120	voqhrhox.exe	33
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2368	1224	Explorer.EXE	34
PID 2368 wrote to memory of 1964	2368	rundll32.exe	35
PID 2368 wrote to memory of 1964	2368	rundll32.exe	35
PID 2368 wrote to memory of 1964	2368	rundll32.exe	35
PID 2368 wrote to memory of 1964	2368	rundll32.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
  "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
    "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1224-12-0x00000000053C0000-0x00000000054DB000-memory.dmp

Filesize
1.1MB

Download
memory/1224-6-0x00000000053C0000-0x00000000054DB000-memory.dmp

Filesize
1.1MB

Download
memory/1224-20-0x0000000006FF0000-0x000000000717D000-memory.dmp

Filesize
1.6MB

Download
memory/1224-18-0x0000000006FF0000-0x000000000717D000-memory.dmp

Filesize
1.6MB

Download
memory/1224-17-0x0000000006FF0000-0x000000000717D000-memory.dmp

Filesize
1.6MB

Download
memory/2120-0-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download
memory/2176-5-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/2176-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-2-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Filesize
3.0MB

Download
memory/2176-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2368-7-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download
memory/2368-11-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2368-10-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download
memory/2368-8-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download

Analysis

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